Long Wavelength Limit of Interchange Instabilities.

Abstract

Derived is a general, nonlocal dispersion equation which describes the long wavelength limit of several interchange instabilities (viz., Rayleigh-Taylor, E x B gradient drift, and current convective). Analytical expressions for the growth rate of these modes are presented in both the collisional and collisionless regimes. The scaling of these growth rates with wavenumber (k) and the Pedersen conductivity ratio (M) are explicitly stated. (Author)

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Document Details

Document Type
Technical Report
Publication Date
Feb 23, 1984
Accession Number
ADA138943

Entities

People

  • Joseph D. Huba
  • Steven T.P. Zalesak

Organizations

  • United States Naval Research Laboratory

Tags

Communities of Interest

  • Advanced Electronics
  • Materials and Manufacturing Processes
  • Space
  • Weapons Technologies

DTIC Thesaurus Topics

  • Air Force
  • Altitude
  • Collisions
  • Computer Simulations
  • Corporations
  • Discontinuities
  • Dispersions
  • Electric Fields
  • Electrons
  • Equations
  • Frequency
  • High Altitude
  • Instability
  • Long Wavelengths
  • Magnetic Fields
  • Rayleigh Taylor Instability
  • Short Wavelengths

Fields of Study

  • Physics

Readers

  • Plasma Physics / Magnetohydrodynamics